Transmission Identifications - Pontiac Grand Prix Service Manual

7D-14
1969
PONTIAC SERVICE MANUAL
Care must be used to avoid damaging the threads on
the shaft.
38. Install the main drive gear bearing retainer, gasket
and four attaching bolts, using a suitable sealer on
bolts. Torque to 20 lb. ft.
39. Shift mainshaft 3-4 sliding clutch sleeve into
neutral position and 1-2 sliding clutch sleeve into
second gear (forward) detent position. Shift side cover
3-4 shifter lever into neutral detent and 1-2 shifter
lever into second gear (forward) detent position.
40. Install side cover gasket and carefully position side
cover into place. There is a dowel pin in cover to
assure proper alignment with case. Install attaching
bolts and tighten evenly to avoid side cover distortion.
Torque to 18 lb. ft.
NOTE: When installing new gasket, do not coat with
grease.
41. Install insulator assembly on rear extension.
Torque bolts to 30 lb. ft.
42. If lever and bracket support to extension was
removed, reinstall, tightening 3 bolts to 30 lb. ft.
torque.
INSTALL
1. Raise transmission until rear extension can be
moved rearwards over center cross member support.
NOTE: If it was necessary to remove cross member
support before removing transmission, install support
while transmission is held in a raisedposition.
2. Move transmission forward until extension bracket
studs engage holes in cross member support and main
drive gear shaft enters clutch housing. Care should be
taken to make certain clutch release bearing remains
seated.
3. Install Aligning Stud J 1126 in lower right
transmission to clutch housing bolt hole for alignment.
4. Install two upper transmission to clutch housing
mounting bolts and washers and tighten securely to 55
lb. ft. torque. Remove aligning stud and install two
lower mounting bolts and washers and tighten to 55
lb. ft. torque.
5. Install rear extension to cross member support
insulator and tighten bolts to 30 lb. ft. torque.
6. Install propeller shaft drive line assembly by
reversing steps 3a. through 3c. under TRANSMIS-
SION --REMOVE.
7. Install shifter assembly and secure it to transmission
rear extension support with two shifter to extension
support bolts. Tighten upper bolt to 50 lb. ft. torque.
Tighten lower bolt to 30 lb. ft. torque.
8. Connect linkage and adjust as described in ON
CAR ADJUSTMENTS.
9. Connect speedometer cable to speedometer driven
gear and tighten securely.
10. Connect back-up light leads to back-up light switch
leads, using female connectors.
11. If rubber boot or console was removed, slide
rubber boot with metal boot retainer over shift stick
and secure to floor plate with six metal screws. Install
console.
12. Remove filler plug at side of transmission and add
2 1/2 pints of SAE 90 multi-purpose gear lubricant.
Lubricant level should be approximately level with
bottom of filler plug hole. Install plug.
13. Check shifi pattern and adjust as required.
TRANSMISSION IDENTIFICATIONS
An identifying code is marked in yellow paint on all
four-speed manual transmissions. This code consists of
two letters, one inch high, on the top of the case.
Tempest and Grand Prix
Std
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
FO
Close Ratio.
. . . . . . . . . . . . . . . . . . . . . . . . . .
FT
Firebird
Std..
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
FF
Close Ratio.
. . . . . . . . . . .
;
..............
FX
The vehicle identification number is also stamped on
the transmission case, as shown in Fig. 7D-27.
GEAR RATIOS
STD. CLOSE
First.
. . . . . . . . . . . . . . . . . . . . . . . . . . .
2.52 2.20
Second.
.........................
1.88 1.64
Third.
..........................
1.46 1.28
Fourth.
.........................
1.00 1.00
Reverse
.........................
2.59 2.27
TORQUE SPECIFICATIONS
APPLICATION LB. FT.
Main Drive Gear Bearing Retaining Nut..
......
40
Main Drive (Clutch) Gear Retaining Bolts.
.....
20
Side Cover Bolts..
...........................
18
Extension to.Case Bolts (3 Upper).
............
20
Extension to Case Bolts (3 Lower).
............
30
Shift Lever to Shifter Shaft Nuts..
.............
30
Transmission Filler Plug..
....................
30
Lever and Bracket Support to Extension Bolts.
..
30
Lever and Bracket Assembly to
Support Bolt (Upper).
.....................
50